*Table 4 Robustness Tests*

*Table 4, Model 1, GDP instead of fish catch*
xtgee    pirincidents_new  sfi_lag  gdp_ln   wto_lntrade   ucdp_intrastate coast_ln demdum  terrorism_all    pop_ln    cinc    africa westhem europe  middleeast  , fam(nbinomial) corr(ar1)

*Table 4, Model 2, military personnel instead of CINC*
xtgee    pirincidents_new  sfi_lag   fishval_difln   wto_lntrade   ucdp_intrastate coast_ln demdum  terrorism_all    pop_ln    milper    africa westhem europe  middleeast  , fam(nbinomial) corr(ar1)

*Table 3, Model 3, somalia and indonesia dummies*
xtgee    pirincidents_new  sfi_lag   fishval_difln   wto_lntrade   ucdp_intrastate coast_ln demdum  terrorism_all    pop_ln    cinc    indonesia somalia africa westhem europe  middleeast  , fam(nbinomial) corr(ar1)

*Table 4, Model 4, zero-inflated model*
zinb  pirincidents_new   lagpirinc_new sfi_lag     fishval_difln  wto_lntrade demdum    pop_ln  ucdp_intrastate terrorism_all    cinc     ,  inflate(gdp_ln coast_ln  africa westhem europe  middleeast ) robust

*Table 4, Model 5, sfi lag squared, incidents*
xtgee    pirincidents_new  sfi_lag  sfi_lagsq fishval_difln   wto_lntrade   ucdp_intrastate coast_ln demdum  terrorism_all    pop_ln    cinc    africa westhem europe  middleeast  , fam(nbinomial) corr(ar1)

*Table 4, Model 6, sfi lag squared, hijackings*

xtgee    hijack  sfi_lag  sfi_lagsq fishval_difln   wto_lntrade   ucdp_intrastate coast_ln demdum  terrorism_all    pop_ln    cinc    africa westhem europe  middleeast  , fam(nbinomial) corr(ar1)


